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CMU1021 — RESISTOR,VARIABLE,NONWIRE WOUND,

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

CMU1021: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 0.625 INCHES MAXIMUM IN, shaft_style: ROUND, SLOTTED, shaft_length: 0.875 INCHES NOMINAL IN, actuator_type: SINGLE SHAFT, body_diameter: 1.156 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5905-00-552-5478, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ CMU1021
NSN: 5905-00-552-5478
NIINs: 005525478, 009934928
FSC: 5905 — Resistor
CAGE: 44659 — POWELLS AUTO PARTS (USA)
SPECIFICATIONS
body_styleCYLINDRICAL BUSHING MOUNTED
body_length0.625 INCHES MAXIMUM IN
shaft_styleROUND, SLOTTED
shaft_length0.875 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter1.156 INCHES MAXIMUM IN
overall_length1.312 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN
shaft_diameter0.250 INCHES NOMINAL IN
mounting_methodSTANDARD BUSHING
overall_diameter1.515 INCHES MAXIMUM IN
section_quantity1
features_providedHUMIDITY PROOF
NSN5905-00-552-5478
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN CMU1021 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
•
BODY DIAMETER: 1.032 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
•
SCREW THREAD QUANTITY PER INCH: 32.0
•
ELECTRICAL RESISTANCE PER SECTION: 1.0 KILOHMS SINGLE SECTION
•
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 120.0 SINGLE SECTION
•
SECTION QUANTITY: 1
•
SHAFT DIAMETER: 0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
•
NONTURN DEVICE RADIUS: 0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
•
BODY STYLE: CYLINDRICAL BUSHING MOUNTED
TECHNICAL CHARACTERISTICS
BODY DIAMETER1.032 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
SCREW THREAD QUANTITY PER INCH32.0
ELECTRICAL RESISTANCE PER SECTION1.0 KILOHMS SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER120.0 SINGLE SECTION
SECTION QUANTITY1
SHAFT DIAMETER0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
NONTURN DEVICE RADIUS0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
BODY STYLECYLINDRICAL BUSHING MOUNTED
OVERALL DIAMETER1.515 INCHES MAXIMUM IN
MOUNTING METHODSTANDARD BUSHING
SUBSTITUTES & CROSS-REFERENCES 9
697164-102Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
JA1N044F102UAReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
225001-6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
JU1021-P3048Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
RV4NAYFD102BReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
RAIN056S102UAReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CMU1021?
CMU1021 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace CMU1021?
There are 9 known substitutes for CMU1021: 697164-102, JA1N044F102UA, 225001-6 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CMU1021?
CMU1021 is cataloged in the U.S. Government catalog under NSN 5905-00-552-5478. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.